Organisation internationale de normalisation


Partial Merge (encoder/decoder restrictions agreed as described above)



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Partial Merge (encoder/decoder restrictions agreed as described above)

  • Disable NxN PU split (agreed)

  • Temporal Center Predictor (agreed)

    Decision: Agreed.

    Post-meeting clarification: The software also includes several high-level flags that are not (yet) documented in the draft text. These include "motion_vector_merge_disabled_flag". Our understanding is that this flag (and the associated ability to disable merging) is in the design and should be added to the draft text. Other such flags found in the software include adaptive_loop_filter_disabled_flag, delta_qp_disabled_flag, low_delay_coding_disabled_flag, and motion_vector_competition_disabled_flag. It seems likely that adaptive_loop_filter_disabled_flag, and possibly delta_qp_disabled_flag should also be kept and documented, and possibly the other two as well.

    18.1.1.1.1.1.1.1.5JCTVC-D457 BoG report on deblocking filter - subjective viewing and decoder run-time [Rickard Sjoberg (Ericsson), David Flynn (BBC)] (BoG report registered Thursday 27th after start of meeting, uploaded Thursday 27th, near the end of the meeting)

    This report is about further testing the subjective quality of proposals JCTVC-D377 (Ericsson), JCTVC-D214 (Panasonic) and JCTVC-D263 (Sony). An expert viewing test coordinated by V. Baroncini was performed, which did not unveil noticeable differences. Also, decoder run-times of these deblocking filter proposals and proposals JCTVC-D163 (MediaTek) and JCTVC-D334 (SKKU) were investigated by a non-proponent (BBC).

    18.1.1.1.1.1.1.1.6JCTVC-D458 BoG report on Screen Content Coding (SCC) [O. C. Au(HKUST), J. Xu(Microsoft), H. Yu(Huawei)] (BoG report registered Thursday 27th after start of meeting, uploaded Thursday 27th, near the end of the meeting)

    This contribution provides a summary of the Break Out group meeting on Screen Content Coding (SCC) held at 2pm-4pm on Jan 25, 2011. A draft call for sequences “class F” wa also included in the zip archive.

    This activity ultimately resulted in issuing the output document JCTVC-D501.


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